18589742

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{811}}^1$

素因数の和:1043

約数の個数: 16

約数和(自身を含む): 28481712

約数和(自身を除く): 9891970

約数列:

[1, 2, 73, 146, 157, 314, 811, 1622, 11461, 22922, 59203, 118406, 127327, 254654, 9294871, 18589742]

約数ペア:

[(1, 18589742), (2, 9294871), (73, 254654), (146, 127327), (157, 118406), (314, 59203), (811, 22922), (1622, 11461)]